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Note 18 - Commitments and Contingencies (Tables)
3 Months Ended
Aug. 31, 2022
Notes Tables  
Contractual Obligation, Fiscal Year Maturity [Table Text Block]
  

Total

  

2023

  

2024

  

2025

  

2026

  

Thereafter

 

Long-term debt repayment

 $179,650  $99,379  $66,008  $3,117  $3,862  $7,284 

Convertible notes, principal and interest

  542,528   24,602   517,926          

Material purchase obligations

  14,244   11,322   1,977   368   239   338 

Construction commitments

  6,781   6,781             

Total

 $743,203  $142,084  $585,911  $3,485  $4,101  $7,622 
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
  

Operating

 
  

leases

 

2023

 $3,912 

2024

  3,097 

2025

  2,941 

2026

  3,033 

Thereafter

  6,193 

Total minimum lease payments

 $19,176 

Imputed interest

  (2,306)

Obligations recognized

 $16,870